Bag-machine.



UNITED STATES ATENT einen..

JESSE V. MATTESON, OF SAN FRANCISCO, CALIFORNIA.

BAG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 714,386, dated November25, 1902.

` Application filed January 13, 1902. Serial No. 89,625. (No model.)

To @ZZ whom, it may concern:

Be it known that I, J Essn V. MArrnsoN, a citizen of the United States,residing at San Francisco, in the county of`San Francisco and State ofCalifornia, have invented certain new and useful Improvements in Bag--Machines; and I do hereby declare the following to be a full, clear, andexact description of the same, such as will enable others skilled in theart to which it appertains to make and use the same.

My present invention, generally speaking, is an improvement inbag-machines; but to be more specific it is a device for automat-`ically reinforcing the bottoms of paper bags during the usual process ofgumming and folding.

The device possesses all the requisites of strength land durability andis especially simplein construction and eflcient in opera tion.

To answer the requirements of special lines of trade, it is imperativethat a bagl of great strength and durability be made, and this isusually accomplished by taking the paper `after it leaves the machine inshort tubular bottornless sections and inserting by hand a rectangularpiece of stiff cardboard and folding and gumming about this piece theflaps of the bag. These hand manipulations of the bag necessarily addgreatly to the cost of manufacture or production,and consequently directattention to seeking cheaper but correspondingly less secure closures.

I have so constructed my invention as to render it capable of beingreadily attached to and employed in conjunction with the bagmachines nowin general use.

I am enabled to accomplish the above results by the means illustrated inthe accompanying drawings, in which-- Figure lis a perspective view ofthe device, showing its position relative to certain portions of anordinary bag-machine. Fig. 2 is a section of the rollers of the machine,showing the manner of feeding the cardboard strips as the bag is beingfolded. Fig. 3 is a View of the bottom of the finished bag, showing theposition of the cardboard piece. Fig.

4 is a view of the bag as it is fed to the first pair of rollers, therelative position of the cardboard strip being shown. Fig. 5 is asimilar view of the bagas it enters the second pair of rollers. Fig. 6is a side view ofthe bag after passing the second pair of rollers.

Referring now to the above views by letter, A represents an oscillatingshaft of `the machine, on which is keyed the twin arms B, the

of cardboard under the flaps of the bottom of' the bag F for the purposeabove set forthIarrange a vertical gravity-feeder Gr directly in thepath of the bed C. This feeder Gis capable of holding a large number ofpieces D and is made adjustable by means of the thumbscrews H to holdpieces of various sizes. On the upper surface of this bed C, I arrangespring catches or lugs I,which as thebed passes under the pieces Dspring up and against the back edge of the lower cardboard D. Now as thebed again moves forward these lugs carry this bottom piece D until therollers E E grip it and carry it through, with the nose of the bagoverlappingit. The relative positions of the bag and cardboard bothbefore and after passing through the rollers E E are shown in solid anddotted lines, respectively, in Fig. 2. The bag and piece D are nowpassed together through a secondary pair of i rollers E E" after beingcreased by a second blade C and the remaining flap turned over in theusual manner. Of course the two flaps are gummed to adhere to the strip,while those portions not gummed are permitted to return to theirrelative positions. (Shown in Fig. 6.)

In order to prevent the cardboard piece D from leaving the bed C as thelatter approaches the twin rollers E E', I have provided the guide J,which is secured to the feeder G.

Having thus fully described my invention,

the objects and advantages of the same will, it is thought, be readilyunderstood.

I am aware that changes in the form and proportion of parts of thedevices herein shown and described as an embodiment of IDO my inventioncan be made without departing from the spirit or sacrificing theadvantages thereof, and I therefore reserve the right to make suchchanges and alterations as fairly fall within the scope of myinvention.

What I claim, and desire to secure by Letters Patent, is-

l. A device of the class described provided with a bed or blade adaptedto force the bag between folding-rollers, and means for automaticallyfeeding reinforcing-pieces to said bed and said bag, for the purpose setforth.

2. A device of the class described provided with a bed or blade adaptedto force the bag between folding-rollers, and means for automaticallyfeeding reinforcing-pieces to said bed, said bed being adapted to carrysaid pieces to said folding-rollers for the purpose set forth.

3. A device of the class described provided zo pieces to said bag, forthe purpose set forth. 25

In testimony whereof I affix my signature in presence of two witnesses.

JESSE V. MATTESON.

Witnesses:

GEORGE PATTIsoN, EDWARD S. POWERS.

